raised a combined $2 billion on the campaign trail. tara mergener, for cbs news, the white house. >>> now, 9 news spoke with representatives from both the obama and romney campaigns, and as you can expect, both believe they have done enough to win the minds of the undecided voters and win the important swing states to win the oval office. >> we feel like we've done a great effort in the leadup to election day, we think that we're in a very strong position today to win virginia and make governor romney president this evening. >> we had an incredit credible rally in northern virginia this weekend with 25,000 voters. there's no doubt that virginia is a belle wether state and a -- a bell wether state and a swing state. the president was losing 800,000 jobs jobs, in the middle of a foreclosure crisis, we've made so much progress. >> looking at the recent overall public polls, president obama has a slight edge of three percentage points. according to the president's campaign, the latest poll has him up by one percentage point. both of those are within the margin of error. this is goin